Find all School-related info fast with the new School-Specific MBA Forum

It is currently 01 Sep 2014, 06:08

Starting Soon:

Live Q&A Session with ISB Admissions Team  | |  Join Chat Room to attend this event


Close

GMAT Club Daily Prep

Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track
Your Progress

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.

Events & Promotions

Events & Promotions in June
Open Detailed Calendar

Both {14 zeros and 60} and {13 zeros and 30, 30} have sum of

  Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:
Expert Post
CEO
CEO
User avatar
Joined: 17 Nov 2007
Posts: 3571
Concentration: Entrepreneurship, Other
Schools: Chicago (Booth) - Class of 2011
GMAT 1: 750 Q50 V40
Followers: 358

Kudos [?]: 1758 [0], given: 358

GMAT ToolKit User GMAT Tests User Premium Member
Both {14 zeros and 60} and {13 zeros and 30, 30} have sum of [#permalink] New post 19 Apr 2010, 17:39
Expert's post
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
OG12 DS#133 page:284
Alternative solution/shortcut:

1) Both {14 zeros and 60} and {13 zeros and 30, 30} have sum of 60. Insufficient.
2) Let's pick any 3 numbers. Now, let's replace any number X out of 3 picked numbers by any number Y out of rest 12 numbers. The sum of new 3 numbers will be the same, 12. So, our operation doesn't change the sum and X=Y. Because we choose X and Y randomly, all numbers in the list are equal. Sufficient.


---------------------------------------------
This post is a part of GMAT Official Guides
_________________

HOT! GMAT TOOLKIT 2 (iOS) / GMAT TOOLKIT (Android) - The OFFICIAL GMAT CLUB PREP APP, a must-have app especially if you aim at 700+ | PrepGame

Kaplan GMAT Prep Discount CodesKnewton GMAT Discount CodesManhattan GMAT Discount Codes
Both {14 zeros and 60} and {13 zeros and 30, 30} have sum of   [#permalink] 19 Apr 2010, 17:39
    Similar topics Author Replies Last post
Similar
Topics:
Experts publish their posts in the topic M30-14 Bunuel 1 29 Aug 2014, 04:38
Experts publish their posts in the topic M14-30 Bunuel 1 29 Aug 2014, 04:34
30 60 90 triangle Jinglander 1 14 Aug 2010, 17:48
How many zeroes does 100! end with? a) 20 b) 24 c) 25 d) 30 shoonya 5 06 Aug 2006, 20:15
How many zeros does 100! end with? 20 24 25 30 32 from the Titleist 4 09 Dec 2004, 20:55
Display posts from previous: Sort by

Both {14 zeros and 60} and {13 zeros and 30, 30} have sum of

  Question banks Downloads My Bookmarks Reviews Important topics  


GMAT Club MBA Forum Home| About| Privacy Policy| Terms and Conditions| GMAT Club Rules| Contact| Sitemap

Powered by phpBB © phpBB Group and phpBB SEO

Kindly note that the GMAT® test is a registered trademark of the Graduate Management Admission Council®, and this site has neither been reviewed nor endorsed by GMAC®.